Granted Patent
Utility
US 6,313,606 · App. 09/230,910
Method and apparatus for detecting battery capacity
Inventor:
Yasuhito Eguchi
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Oct 6, 1999
Inventor
Yasuhito Eguchi
Assignee (at issue)
SONY GROUP CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.